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COUPSIL® VP 6411

Precipitated silica, surface-modified with organosilane Si 264TM for application in the rubber industry.

Scope of Application

COUPSIL® VP 6411 is used as a reinforcing filler in rubber compounds. It reacts with unsaturated polymers during vulcanization under formation of covalent chemical bonds. This imparts greater tensile strength, higher moduli, reduced compression set, increased abrasion resistance and optimized dynamic properties. It is used in many fields of the rubber industry in combination with white fillers and where optimum technical properties are required. Application fields are: Mechanical rubber goods

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